The book is now available! 487
(another Prime Pages' Curiosity)
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487 = (4!2 + 8!2 + 7!2) - (pi(4) + pi(8) + pi(7)). Note that 487 is the smallest prime with this property. [Firoozbakht]

 

  Submitted: 2004-08-21 08:57:30;   Last Modified: 2008-01-30 11:28:00.



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